12944668 has 24 divisors (see below), whose sum is σ = 25087104. Its totient is φ = 5794800.

The previous prime is 12944663. The next prime is 12944669. The reversal of 12944668 is 86644921.

It is a self number, because there is not a number n which added to its sum of digits gives 12944668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (1045296).

Almost surely, 2^12944668 is an apocalyptic number.

It is an amenable number.

12944668 is a deficient number, since it is larger than the sum of its proper divisors (12142436).

12944668 is a wasteful number, since it uses less digits than its factorization.

12944668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473 (or 4471 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 12944668 is about 3597.8699253864. The cubic root of 12944668 is about 234.7993942175.

The spelling of 12944668 in words is "twelve million, nine hundred forty-four thousand, six hundred sixty-eight".